The orchid Cymbidium Sweetheart is a hybrid registered with the Royal Horticultural Society by Arno H.Bowers in 1955.
Top three species ancestors and their influences are

• Cymbidium floribundum (50.00%)  section: Floribundum 
• Cymbidium insigne (25.00%)  section: Cyperorchis 
• Cymbidium eburneum (12.50%)  section: Cyperorchis